''Piranthus'' is a genus of

jumping spiders Jumping spiders are a group of spiders that constitute the family Salticidae. As of 2019, this family contained over 600 described genera and over 6,000 described species, making it the largest family of spiders at 13% of all species. Jumping spi ...

first described in 1895 by Tamerlan Thorell, who derived the name from Greek mythology. this genus contains only two species. The first male was described in June 2020.Karunnappilli et al. 2020: The first described male of the Asian jumping spider genus Piranthus Thorell, 1895 (Araneae: Salticidae: Baviini) These spiders are mostly black with some white pubescence on the sides of the

cephalothorax The cephalothorax, also called prosoma in some groups, is a tagma of various arthropods, comprising the head and the thorax fused together, as distinct from the abdomen behind. (The terms ''prosoma'' and ''opisthosoma'' are equivalent to ''cepha ...

. The longish abdomen has a dark median stripe in the middle of a wide light median band. The legs are reddish-brown with black rings and very short, with the first pair much more robust than the others. The palps of females are yellowish white and the female ''P. decorus'' is about long.

Eugène Simon Eugène Louis Simon (; 30 April 1848 – 17 November 1924) was a French naturalist who worked particularly on insects and spiders, but also on birds and plants. He is by far the most prolific spider taxonomist in history, describing over 4, ...

compared this genus with '' Padilla''.

References

Salticidae Spiders of Asia Salticidae genera {{salticidae-stub